CVE-2021-3017 : Vulnerability Insights and Analysis

Intelbras WIN 300 and WRN 342 devices through 2021-01-04 are vulnerable to a security issue that allows remote attackers to discover credentials. Here's a detailed overview of CVE-2021-3017.

Understanding CVE-2021-3017

This section delves into the nature of the CVE-2021-3017 vulnerability.

What is CVE-2021-3017?

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.

The Impact of CVE-2021-3017

The vulnerability poses a risk as it enables unauthorized users to access sensitive credentials, compromising the security and integrity of the affected devices.

Technical Details of CVE-2021-3017

Explore the technical aspects of CVE-2021-3017 below.

Vulnerability Description

Remote attackers can exploit the web interface of Intelbras WIN 300 and WRN 342 devices to extract credentials from the HTML source code, leading to potential unauthorized access.

Affected Systems and Versions

The vulnerability affects Intelbras WIN 300 and WRN 342 devices through 2021-01-04, exposing devices running on these versions to the credential disclosure risk.

Exploitation Mechanism

The security flaw allows attackers to retrieve credentials by extracting information from the def_wirelesspassword line present in the HTML source code of the web interface.

Mitigation and Prevention

Discover the measures to mitigate the CVE-2021-3017 vulnerability and prevent security incidents.

Immediate Steps to Take

Users should avoid accessing sensitive data or information on vulnerable devices to prevent unauthorized access.
Regular monitoring of network traffic and system logs can help in identifying any suspicious activities.

Long-Term Security Practices

Implement strong password policies and ensure regular password updates to enhance security posture.
Employ network segmentation and firewall rules to limit unauthorized access to the devices.

Patching and Updates

Users are advised to apply security patches released by Intelbras to address the vulnerability and enhance the security of the affected devices.